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publish.py
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import random
import ssl
import websockets
import asyncio
import os
import sys
import json
import argparse
import time
import gi
import threading
import socket
import re
import traceback
import subprocess
import struct
try:
import hashlib
from urllib.parse import urlparse
except Exception as e:
pass
try:
import numpy as np
import multiprocessing
from multiprocessing import shared_memory
except Exception as e:
pass
try:
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
from cryptography.hazmat.primitives import hashes, padding
from cryptography.hazmat.backends import default_backend
except ImportError as e:
raise ImportError("Run `pip install cryptography` to install the dependencies needed for passwords") from e
gi.require_version('Gst', '1.0')
from gi.repository import Gst, GObject
gi.require_version('GstWebRTC', '1.0')
from gi.repository import GstWebRTC
gi.require_version('GstSdp', '1.0')
from gi.repository import GstSdp
try:
from gi.repository import GLib
except:
pass
#os.environ['GST_DEBUG'] = '3,ndisink:7,videorate:5,videoscale:5,videoconvert:5'
def generate_unique_ndi_name(base_name):
return f"{base_name}_{int(time.time())}"
def handle_unhandled_exception(exc_type, exc_value, exc_traceback):
if issubclass(exc_type, KeyboardInterrupt):
sys.__excepthook__(exc_type, exc_value, exc_traceback)
return
print("!!! Unhandled exception !!!")
print("Type:", exc_type)
print("Value:", exc_value)
print("Traceback:", ''.join(traceback.format_tb(exc_traceback)))
tb = traceback.extract_tb(exc_traceback)
for frame in tb:
print(f"File \"{frame.filename}\", line {frame.lineno}, in {frame.name}")
sys.excepthook = handle_unhandled_exception
def get_exception_info(E):
tb = traceback.extract_tb(E.__traceback__)
error_line = tb[-1].lineno
error_file = tb[-1].filename
if len(tb) >= 2:
caller = tb[-2]
caller_line = caller.lineno
caller_file = caller.filename
else:
caller_line = "unknown"
caller_file = "unknown"
return (
f"{type(E).__name__} at line {error_line} in {error_file}: {E}\n"
f"Called from line {caller_line} in {caller_file}"
)
def enableLEDs(level=False):
try:
GPIO
except Exception as e:
return
global LED_Level, P_R
if level!=False:
LED_Level = level
p_R.start(0) # Initial duty Cycle = 0(leds off)
p_R.ChangeDutyCycle(LED_Level) # Change duty cycle
def disableLEDs():
try:
GPIO
except Exception as e:
return
global pin, P_R
p_R.stop()
GPIO.output(pin, GPIO.HIGH) # Turn off all leds
GPIO.cleanup()
def hex_to_ansi(hex_color):
hex_color = hex_color.lstrip('#')
if len(hex_color)==6:
r = int(hex_color[0:2], 16)
g = int(hex_color[2:4], 16)
b = int(hex_color[4:6], 16)
elif len(hex_color)==3:
r = int(hex_color[0:1]+hex_color[0:1], 16)
g = int(hex_color[1:2]+hex_color[1:2], 16)
b = int(hex_color[2:3]+hex_color[2:3], 16)
else:
return hex_color
ansi_color = 16 + (36 * int(r / 255 * 5)) + (6 * int(g / 255 * 5)) + int(b / 255 * 5)
return f"\033[38;5;{ansi_color}m"
def printc(message, color_code=None):
reset_color = "\033[0m"
if color_code is not None:
color_code = hex_to_ansi(color_code)
colored_message = f"{color_code}{message}{reset_color}"
print(colored_message)
else:
print(message)
def printwin(message):
printc("<= "+message,"93F")
def printwout(message):
printc("=> "+message,"9F3")
def printin(message):
printc("<= "+message,"F6A")
def printout(message):
printc("=> "+message,"6F6")
def printwarn(message):
printc(message,"FF0")
def check_drm_displays():
try:
result = subprocess.run(['drm_info'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True)
if result.returncode == 0:
output = result.stdout.strip()
drm_info = json.loads(output)
connected_displays = [connector for connector in drm_info['connectors'] if connector['status'] == 'connected']
if connected_displays:
print("Display(s) connected:")
for display in connected_displays:
print(display)
return True
else:
print("No display connected.")
return False
else:
print(f"Error running drm_info: {result.stderr}")
return False
except Exception as e:
print(f"Exception occurred: {e}")
return False
def replace_ssrc_and_cleanup_sdp(sdp): ## fix for audio-only gstreamer -> chrome
def generate_ssrc():
return str(random.randint(0, 0xFFFFFFFF))
lines = sdp.split('\r\n')
in_audio_section = False
new_ssrc = generate_ssrc()
for i in range(len(lines)):
if lines[i].startswith('m=audio '):
in_audio_section = True
elif lines[i].startswith('m=') and not lines[i].startswith('m=audio '):
in_audio_section = False
if in_audio_section and lines[i].startswith('a=ssrc:'):
lines[i] = re.sub(r'a=ssrc:\d+', f'a=ssrc:{new_ssrc}', lines[i])
return '\r\n'.join(lines)
def generateHash(input_str, length=None):
input_bytes = input_str.encode('utf-8')
sha256_hash = hashlib.sha256(input_bytes).digest()
if length:
hash_hex = sha256_hash[:int(length // 2)].hex()
else:
hash_hex = sha256_hash.hex()
return hash_hex
def convert_string_to_bytes(input_str):
return input_str.encode('utf-8')
def to_hex_string(byte_data):
return ''.join(f'{b:02x}' for b in byte_data)
def to_byte_array(hex_str):
return bytes.fromhex(hex_str)
def generate_key(phrase):
return hashlib.sha256(phrase.encode()).digest()
def pad_message(message):
padder = padding.PKCS7(algorithms.AES.block_size).padder()
padded_data = padder.update(message.encode('utf-8')) + padder.finalize()
return padded_data
def unpad_message(padded_message):
unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder()
try:
data = unpadder.update(padded_message) + unpadder.finalize()
return data
except ValueError as e:
print(f"Padding error: {e}")
return None
def encrypt_message(message, phrase):
try:
message = json.dumps(message)
except Exception as E:
printwarn(get_exception_info(E))
key = generate_key(phrase)
iv = os.urandom(16)
cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
encryptor = cipher.encryptor()
padded_message = pad_message(message)
encrypted_message = encryptor.update(padded_message) + encryptor.finalize()
return to_hex_string(encrypted_message), to_hex_string(iv)
def decrypt_message(encrypted_data, iv, phrase):
key = generate_key(phrase)
encrypted_data_bytes = to_byte_array(encrypted_data)
iv_bytes = to_byte_array(iv)
cipher = Cipher(algorithms.AES(key), modes.CBC(iv_bytes), backend=default_backend())
decryptor = cipher.decryptor()
try:
decrypted_padded_message = decryptor.update(encrypted_data_bytes) + decryptor.finalize()
unpadded_message = unpad_message(decrypted_padded_message)
if unpadded_message is not None:
return unpadded_message.decode('utf-8')
else:
return None
except (UnicodeDecodeError, ValueError) as e:
print(f"Error decoding message: {e}")
return None
class WebRTCClient:
def __init__(self, params):
self.pipeline = params.pipeline
self.conn = None
self.pipe = None
self.h264 = params.h264
self.vp8 = params.vp8
self.pipein = params.pipein
self.bitrate = params.bitrate
self.max_bitrate = params.bitrate
self.server = params.server
self.stream_id = params.streamid
self.view = params.view
self.room_name = params.room
self.room_hashcode = None
self.multiviewer = params.multiviewer
self.record = params.record
self.streamin = params.streamin
self.ndiout = params.ndiout
self.fdsink = params.fdsink
self.filesink = None
self.framebuffer = params.framebuffer
self.midi = params.midi
self.nored = params.nored
self.noqos = params.noqos
self.midi_thread = None
self.midiout = None
self.midiout_ports = None
self.puuid = params.puuid
self.clients = {}
self.rotate = int(params.rotate)
self.save_file = params.save
self.noaudio = params.noaudio
self.novideo = params.novideo
self.counter = 0
self.shared_memory = False
self.trigger_socket = False
self.processing = False
self.buffer = params.buffer
self.password = params.password
self.hostname = params.hostname
self.hashcode = ""
self.salt = ""
self.aom = params.aom
self.av1 = params.av1
self.socketout = params.socketout
self.socketport = params.socketport
self.socket = None
try:
if self.password:
parsed_url = urlparse(self.hostname)
hostname_parts = parsed_url.hostname.split(".")
self.salt = ".".join(hostname_parts[-2:])
self.hashcode = generateHash(self.password+self.salt, 6)
if self.room_name:
self.room_hashcode = generateHash(self.room_name+self.password+self.salt, 16)
except Exception as E:
printwarn(get_exception_info(E))
if self.save_file:
self.pipe = Gst.parse_launch(self.pipeline)
self.setup_ice_servers(self.pipe.get_by_name('sendrecv'))
self.pipe.set_state(Gst.State.PLAYING)
print("RECORDING TO DISK STARTED")
def setup_ice_servers(self, webrtc):
try:
if hasattr(self, 'stun_server') and self.stun_server:
webrtc.set_property('stun-server', self.stun_server)
elif not hasattr(self, 'no_stun') or not self.no_stun:
for server in ["stun://stun.cloudflare.com:3478", "stun://stun.l.google.com:19302"]:
webrtc.set_property('stun-server', server)
if hasattr(self, 'turn_server') and self.turn_server:
webrtc.set_property('turn-server', self.turn_server)
if hasattr(self, 'ice_transport_policy') and self.ice_transport_policy:
webrtc.set_property('ice-transport-policy', self.ice_transport_policy)
except Exception as E:
printwarn(get_exception_info(E))
async def connect(self):
print("Connecting to handshake server")
# Convert wss:// to ws:// for no-SSL attempt
ws_server = self.server.replace('wss://', 'ws://') if self.server.startswith('wss://') else self.server
connection_attempts = [
(lambda: ssl.create_default_context(), "standard SSL", self.server),
(lambda: ssl._create_unverified_context(), "unverified SSL", self.server),
(lambda: None, "no SSL", ws_server) # Use ws:// URL for no-SSL
]
last_exception = None
for create_ssl_context, context_type, server_url in connection_attempts:
try:
print(f"Attempting connection with {context_type} to {server_url}")
ssl_context = create_ssl_context()
if ssl_context:
ssl_context.check_hostname = False
ssl_context.verify_mode = ssl.CERT_NONE
self.conn = await websockets.connect(
server_url,
ssl=ssl_context,
ping_interval=None
)
print(f"Connected successfully using {context_type}")
break
except Exception as e:
last_exception = e
print(f"Failed {context_type} connection: {str(e)}")
continue
if not self.conn:
raise ConnectionError(f"Failed to connect with all SSL options. Last error: {last_exception}")
if self.room_hashcode:
if self.streamin:
await self.sendMessageAsync({"request":"joinroom","roomid":self.room_hashcode})
else:
await self.sendMessageAsync({"request":"joinroom","roomid":self.room_hashcode,"streamID":self.stream_id+self.hashcode})
printwout("joining room (hashed)")
elif self.room_name:
if self.streamin:
await self.sendMessageAsync({"request":"joinroom","roomid":self.room_name})
else:
await self.sendMessageAsync({"request":"joinroom","roomid":self.room_name,"streamID":self.stream_id+self.hashcode})
printwout("joining room")
elif self.streamin:
await self.sendMessageAsync({"request":"play","streamID":self.streamin+self.hashcode})
printwout("requesting stream")
else:
await self.sendMessageAsync({"request":"seed","streamID":self.stream_id+self.hashcode})
printwout("seed start")
def sendMessage(self, msg): # send message to wss
if self.puuid:
msg['from'] = self.puuid
client = None
if "UUID" in msg and msg['UUID'] in self.clients:
client = self.clients[msg['UUID']]
if client and client['send_channel']:
try:
msgJSON = json.dumps(msg)
client['send_channel'].emit('send-string', msgJSON)
printout("a message was sent via datachannels: "+msgJSON[:60])
except Exception as e:
try:
if self.password:
#printc("Password","0F3")
if "candidate" in msg:
msg['candidate'], msg['vector'] = encrypt_message(msg['candidate'], self.password+self.salt)
if "candidates" in msg:
msg['candidates'], msg['vector'] = encrypt_message(msg['candidates'], self.password+self.salt)
if "description" in msg:
msg['description'], msg['vector'] = encrypt_message(msg['description'], self.password+self.salt)
msgJSON = json.dumps(msg)
loop = asyncio.new_event_loop()
loop.run_until_complete(self.conn.send(msgJSON))
printwout("a message was sent via websockets 2: "+msgJSON[:60])
except Exception as e:
printc(e,"F00")
else:
try:
if self.password:
# printc("Password","0F3")
if "candidate" in msg:
msg['candidate'], msg['vector'] = encrypt_message(msg['candidate'], self.password+self.salt)
if "candidates" in msg:
msg['candidates'], msg['vector'] = encrypt_message(msg['candidates'], self.password+self.salt)
if "description" in msg:
msg['description'], msg['vector'] = encrypt_message(msg['description'], self.password+self.salt)
msgJSON = json.dumps(msg)
loop = asyncio.new_event_loop()
loop.run_until_complete(self.conn.send(msgJSON))
printwout("a message was sent via websockets 1: "+msgJSON[:60])
except Exception as e:
printc(e,"F01")
async def sendMessageAsync(self, msg): # send message to wss
if self.puuid:
msg['from'] = self.puuid
client = None
if "UUID" in msg and msg['UUID'] in self.clients:
client = self.clients[msg['UUID']]
if client and client['send_channel']:
try:
msgJSON = json.dumps(msg)
client['send_channel'].emit('send-string', msgJSON)
printout("a message was sent via datachannels: "+msgJSON[:60])
except Exception as e:
try:
if self.password:
if "candidate" in msg:
msg['candidate'], msg['vector'] = encrypt_message(msg['candidate'], self.password+self.salt)
if "candidates" in msg:
msg['candidates'], msg['vector'] = encrypt_message(msg['candidates'], self.password+self.salt)
if "description" in msg:
msg['description'], msg['vector'] = encrypt_message(msg['description'], self.password+self.salt)
msgJSON = json.dumps(msg)
await self.conn.send(msgJSON)
printwout("a message was sent via websockets 2: "+msgJSON[:60])
except Exception as E:
printwarn(get_exception_info(E))
else:
try:
if self.password:
if "candidate" in msg:
msg['candidate'], msg['vector'] = encrypt_message(msg['candidate'], self.password+self.salt)
if "candidates" in msg:
msg['candidates'], msg['vector'] = encrypt_message(msg['candidates'], self.password+self.salt)
if "description" in msg:
msg['description'], msg['vector'] = encrypt_message(msg['description'], self.password+self.salt)
msgJSON = json.dumps(msg)
await self.conn.send(msgJSON)
printwout("a message was sent via websockets 1: "+msgJSON[:60])
except Exception as e:
printwarn(get_exception_info(E))
def setup_socket(self):
import socket
self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.socket.bind(('0.0.0.0', int(self.socketport)))
def on_new_socket_sample(self, sink):
sample = sink.emit("pull-sample")
if sample:
buffer = sample.get_buffer()
caps = sample.get_caps()
height = caps.get_structure(0).get_value("height")
width = caps.get_structure(0).get_value("width")
_, map_info = buffer.map(Gst.MapFlags.READ)
frame_data = map_info.data
# Send frame size
self.socket.sendto(struct.pack('!III', width, height, len(frame_data)), ('127.0.0.1', int(self.socketport)))
print("Sending")
# Send frame data in chunks
chunk_size = 65507 # Maximum safe UDP packet size
for i in range(0, len(frame_data), chunk_size):
chunk = frame_data[i:i+chunk_size]
self.socket.sendto(chunk, ('127.0.0.1', int(self.socketport)))
buffer.unmap(map_info)
return Gst.FlowReturn.OK
def new_sample(self, sink):
if self.processing:
return False
self.processing = True
try :
sample = sink.emit("pull-sample")
if sample:
buffer = sample.get_buffer()
caps = sample.get_caps()
height = int(caps.get_structure(0).get_int("height").value)
width = int(caps.get_structure(0).get_int("width").value)
frame_data = buffer.extract_dup(0, buffer.get_size())
np_frame_data = np.frombuffer(frame_data, dtype=np.uint8).reshape(height, width, 3)
print(np.shape(np_frame_data), np_frame_data[0,0,:])
frame_shape = (720 * 1280 * 3)
frame_buffer = np.ndarray(frame_shape+5, dtype=np.uint8, buffer=self.shared_memory.buf)
frame_buffer[5:5+width*height*3] = np_frame_data.flatten(order='K') # K means order as how ordered in memory
frame_buffer[0] = width/255
frame_buffer[1] = width%255
frame_buffer[2] = height/255
frame_buffer[3] = height%255
frame_buffer[4] = self.counter%255
self.counter+=1
self.trigger_socket.sendto(b"update", ("127.0.0.1", 12345))
except Exception as E:
printwarn(get_exception_info(E))
self.processing = False
return False
def on_incoming_stream(self, _, pad):
try:
if Gst.PadDirection.SRC != pad.direction:
print("pad direction wrong?")
return
caps = pad.get_current_caps()
name = caps.to_string()
print(f"Incoming stream caps: {name}")
if self.ndiout:
print("NDI OUT")
ndi_combiner = self.pipe.get_by_name("ndi_combiner")
ndi_sink = self.pipe.get_by_name("ndi_sink")
if not ndi_combiner:
print("Creating new NDI sink combiner")
ndi_combiner = Gst.ElementFactory.make("ndisinkcombiner", "ndi_combiner")
if not ndi_combiner:
print("Failed to create ndisinkcombiner element")
return
# Set properties
ndi_combiner.set_property("latency", 800_000_000) # 800ms
ndi_combiner.set_property("min-upstream-latency", 1_000_000_000) # 1000ms
ndi_combiner.set_property("start-time-selection", 1) # 1 corresponds to "first"
self.pipe.add(ndi_combiner)
ndi_combiner.sync_state_with_parent()
ret = ndi_combiner.set_state(Gst.State.PLAYING)
if ret == Gst.StateChangeReturn.FAILURE:
print("Failed to set ndi_combiner to PLAYING state")
return
if not ndi_sink:
print("Creating new NDI sink")
ndi_sink = Gst.ElementFactory.make("ndisink", "ndi_sink")
if not ndi_sink:
print("Failed to create ndisink element")
return
unique_ndi_name = generate_unique_ndi_name(self.ndiout)
ndi_sink.set_property("ndi-name", unique_ndi_name)
self.pipe.add(ndi_sink)
ndi_sink.sync_state_with_parent()
print(f"NDI sink name: {ndi_sink.get_property('ndi-name')}")
# Link ndi_combiner to ndi_sink
if not ndi_combiner.link(ndi_sink):
print("Failed to link ndi_combiner to ndi_sink")
return
if "video" in name:
print("NDI VIDEO OUT")
pad_name = "video"
rtp_caps_string = "application/x-rtp,media=(string)video,clock-rate=(int)90000,encoding-name=(string)H264"
elif "audio" in name:
print("NDI AUDIO OUT")
pad_name = "audio"
rtp_caps_string = "application/x-rtp,media=(string)audio,clock-rate=(int)48000,encoding-name=(string)OPUS"
else:
print("Unsupported media type:", name)
return
# Check if the pad already exists
target_pad = ndi_combiner.get_static_pad(pad_name)
if target_pad:
print(f"{pad_name.capitalize()} pad already exists, using existing pad")
else:
target_pad = ndi_combiner.request_pad(ndi_combiner.get_pad_template(pad_name), None, None)
if target_pad is None:
print(f"Failed to get {pad_name} pad from ndi_combiner")
print("Available pad templates:")
for template in ndi_combiner.get_pad_template_list():
print(f" {template.name_template}: {template.direction.value_name}")
print("Current pads:")
for pad in ndi_combiner.pads:
print(f" {pad.get_name()}: {pad.get_direction().value_name}")
return
print(f"Got {pad_name} pad: {target_pad.get_name()}")
# Create elements based on media type
if pad_name == "video":
elements = [
Gst.ElementFactory.make("capsfilter", f"{pad_name}_rtp_caps"),
Gst.ElementFactory.make("queue", f"{pad_name}_queue"),
Gst.ElementFactory.make("rtph264depay", "h264_depay"),
Gst.ElementFactory.make("h264parse", "h264_parse"),
Gst.ElementFactory.make("avdec_h264", "h264_decode"),
Gst.ElementFactory.make("videoconvert", "video_convert"),
Gst.ElementFactory.make("videoscale", "video_scale"),
Gst.ElementFactory.make("videorate", "video_rate"),
Gst.ElementFactory.make("capsfilter", "video_caps"),
]
elements[0].set_property("caps", Gst.Caps.from_string(rtp_caps_string))
elements[-1].set_property("caps", Gst.Caps.from_string("video/x-raw,format=UYVY,width=1280,height=720,framerate=30/1"))
else: # audio
elements = [
Gst.ElementFactory.make("capsfilter", f"{pad_name}_rtp_caps"),
Gst.ElementFactory.make("queue", f"{pad_name}_queue"),
Gst.ElementFactory.make("rtpopusdepay", "opus_depay"),
Gst.ElementFactory.make("opusdec", "opus_decode"),
Gst.ElementFactory.make("audioconvert", "audio_convert"),
Gst.ElementFactory.make("audioresample", "audio_resample"),
Gst.ElementFactory.make("capsfilter", "audio_caps"),
]
elements[0].set_property("caps", Gst.Caps.from_string(rtp_caps_string))
elements[-1].set_property("caps", Gst.Caps.from_string("audio/x-raw,format=F32LE,channels=2,rate=48000,layout=interleaved"))
if not all(elements):
print("Couldn't create all elements")
return
# Create a bin for the elements
bin_name = f"{pad_name}_bin"
element_bin = Gst.Bin.new(bin_name)
for element in elements:
element_bin.add(element)
# Link elements within the bin
for i in range(len(elements) - 1):
if not elements[i].link(elements[i+1]):
print(f"Failed to link {elements[i].get_name()} to {elements[i+1].get_name()}")
return
# Add ghost pads to the bin
sink_pad = elements[0].get_static_pad("sink")
ghost_sink = Gst.GhostPad.new("sink", sink_pad)
element_bin.add_pad(ghost_sink)
src_pad = elements[-1].get_static_pad("src")
ghost_src = Gst.GhostPad.new("src", src_pad)
element_bin.add_pad(ghost_src)
# Add the bin to the pipeline
self.pipe.add(element_bin)
element_bin.sync_state_with_parent()
# Link the bin to the ndi_combiner
if not element_bin.link_pads("src", ndi_combiner, target_pad.get_name()):
print(f"Failed to link {bin_name} to ndi_combiner:{target_pad.get_name()}")
print(f"Bin src caps: {ghost_src.query_caps().to_string()}")
print(f"Target pad caps: {target_pad.query_caps().to_string()}")
return
# Link the incoming pad to the bin
if not pad.link(ghost_sink):
print(f"Failed to link incoming pad to {bin_name}")
print(f"Incoming pad caps: {pad.query_caps().to_string()}")
print(f"Ghost sink pad caps: {ghost_sink.query_caps().to_string()}")
return
print(f"NDI {pad_name} pipeline set up successfully")
# Set the bin to PLAYING state
ret = element_bin.set_state(Gst.State.PLAYING)
if ret == Gst.StateChangeReturn.FAILURE:
print(f"Failed to set {bin_name} to PLAYING state")
return
print(f"All elements in {bin_name} set to PLAYING state")
elif "video" in name:
if self.novideo:
printc('Ignoring incoming video track', "F88")
out = Gst.parse_bin_from_description("queue ! fakesink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
return
if self.ndiout:
# I'm handling this on elsewhere now
pass
elif self.socketout:
print("SOCKET VIDEO OUT")
out = Gst.parse_bin_from_description(
"queue ! rtph264depay ! h264parse ! avdec_h264 ! videoconvert ! video/x-raw,format=BGR ! appsink name=appsink emit-signals=true", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
appsink = self.pipe.get_by_name('appsink')
appsink.connect("new-sample", self.on_new_socket_sample)
elif self.view:
print("DISPLAY OUTPUT MODE BEING SETUP")
outsink = "autovideosink"
if check_drm_displays():
printc('\nThere is at least one connected display.',"00F")
else:
printc('\n ! No connected displays found. Will try to use glimagesink instead of autovideosink',"F60")
outsink = "glimagesink sync=true"
if "VP8" in name:
out = Gst.parse_bin_from_description(
"queue ! rtpvp8depay ! decodebin ! queue max-size-buffers=0 max-size-time=0 ! videoconvert ! video/x-raw,format=RGB ! queue max-size-buffers=0 max-size-time=0 ! "+outsink, True)
elif "H264" in name:
out = Gst.parse_bin_from_description(
"queue ! rtph264depay ! h264parse ! openh264dec ! queue max-size-buffers=0 max-size-time=0 ! videoconvert ! video/x-raw,format=RGB ! queue max-size-buffers=0 max-size-time=0 ! "+outsink, True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
elif self.fdsink:
print("FD SINK OUT")
queue = Gst.ElementFactory.make("queue", "fd_queue")
depay = None
parse = None
decode = None
convert = Gst.ElementFactory.make("videoconvert", "fd_convert")
scale = Gst.ElementFactory.make("videoscale", "fd_scale")
caps_filter = Gst.ElementFactory.make("capsfilter", "fd_caps")
sink = Gst.ElementFactory.make("fdsink", "fd_sink")
if "VP8" in name:
depay = Gst.ElementFactory.make("rtpvp8depay", "vp8_depay")
decode = Gst.ElementFactory.make("vp8dec", "vp8_decode")
elif "H264" in name:
depay = Gst.ElementFactory.make("rtph264depay", "h264_depay")
parse = Gst.ElementFactory.make("h264parse", "h264_parse")
decode = Gst.ElementFactory.make("avdec_h264", "h264_decode")
else:
print("Unsupported video codec:", name)
return
if not all([queue, depay, decode, convert, scale, caps_filter, sink]):
print("Failed to create all elements")
return
# Set to raw video format, you can adjust based on your needs
caps_filter.set_property("caps", Gst.Caps.from_string("video/x-raw,format=RGB"))
self.pipe.add(queue)
self.pipe.add(depay)
if parse:
self.pipe.add(parse)
self.pipe.add(decode)
self.pipe.add(convert)
self.pipe.add(scale)
self.pipe.add(caps_filter)
self.pipe.add(sink)
# Link elements
if not queue.link(depay):
print("Failed to link queue and depay")
return
if parse:
if not depay.link(parse) or not parse.link(decode):
print("Failed to link depay, parse, and decode")
return
else:
if not depay.link(decode):
print("Failed to link depay and decode")
return
if not decode.link(convert):
print("Failed to link decode and convert")
return
if not convert.link(scale):
print("Failed to link convert and scale")
return
if not scale.link(caps_filter):
print("Failed to link scale and caps_filter")
return
if not caps_filter.link(sink):
print("Failed to link caps_filter and sink")
return
# Link the incoming pad to our queue
pad.link(queue.get_static_pad("sink"))
# Sync states
queue.sync_state_with_parent()
depay.sync_state_with_parent()
if parse:
parse.sync_state_with_parent()
decode.sync_state_with_parent()
convert.sync_state_with_parent()
scale.sync_state_with_parent()
caps_filter.sync_state_with_parent()
sink.sync_state_with_parent()
print("FD sink video pipeline set up successfully")
elif self.framebuffer: ## send raw data to ffmpeg or something I guess, using the stdout?
print("APP SINK OUT")
if "VP8" in name:
out = Gst.parse_bin_from_description("queue ! rtpvp8depay ! queue max-size-buffers=0 max-size-time=0 ! decodebin ! videoconvert ! video/x-raw,format=BGR ! queue max-size-buffers=2 leaky=downstream ! appsink name=appsink", True)
elif "H264" in name:
out = Gst.parse_bin_from_description("queue ! rtph264depay ! h264parse ! queue max-size-buffers=0 max-size-time=0 ! openh264dec ! videoconvert ! video/x-raw,format=BGR ! queue max-size-buffers=2 leaky=downstream ! appsink name=appsink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
else:
printc('VIDEO record setup', "88F")
if self.pipe.get_by_name('filesink'):
print("VIDEO setup")
if "VP8" in name:
out = Gst.parse_bin_from_description("queue ! rtpvp8depay", True)
elif "H264" in name:
out = Gst.parse_bin_from_description("queue ! rtph264depay ! h264parse", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
out.link(self.pipe.get_by_name('filesink'))
pad.link(sink)
else:
if "VP8" in name:
out = Gst.parse_bin_from_description("queue ! rtpvp8depay ! mpegtsmux name=mux1 ! queue !"
+ "hlssink name=hlssink max-files=0 "
+ "target-duration=10 playlist-length=0 "
+ "location=" + "./" + self.streamin + "_"+str(int(time.time()))+"_segment_%05d.ts "
+ "playlist-location=" + "./" + self.streamin + "_"+str(int(time.time()))+".video.m3u8 " , True)
elif "H264" in name:
out = Gst.parse_bin_from_description("queue ! rtph264depay ! h264parse ! mpegtsmux name=mux1 ! queue ! "
+ "hlssink name=hlssink max-files=0 "
+ "target-duration=10 playlist-length=0 "
+ "location=" + "./" + self.streamin + "_"+str(int(time.time()))+"_segment_%05d.ts "
+ "playlist-location=" + "./" + self.streamin + "_"+str(int(time.time()))+".video.m3u8 " , True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
print("success video?")
if self.framebuffer:
frame_shape = (720, 1280, 3)
size = np.prod(frame_shape) * 3 # Total size in bytes
self.shared_memory = shared_memory.SharedMemory(create=True, size=size, name='psm_raspininja_streamid')
self.trigger_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # we don't bind, as the reader will be binding
print("*************")
print(self.shared_memory)
appsink = self.pipe.get_by_name('appsink')
appsink.set_property("emit-signals", True)
appsink.connect("new-sample", self.new_sample)
elif "audio" in name:
if self.noaudio:
printc('Ignoring incoming audio track', "F88")
out = Gst.parse_bin_from_description("queue ! fakesink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
return
if self.ndiout:
# I'm handling this on elsewhere now
pass
elif self.view:
# if "OPUS" in name:
print("decode and play out the incoming audio")
out = Gst.parse_bin_from_description("queue ! rtpopusdepay ! opusparse ! opusdec ! audioconvert ! audioresample ! audio/x-raw,format=S16LE,rate=48000 ! autoaudiosink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
elif self.fdsink:
#if "OPUS" in name:
out = Gst.parse_bin_from_description("queue ! rtpopusdepay ! opusparse ! opusdec ! audioconvert ! audioresample ! audio/x-raw,format=S16LE,rate=48000 ! fdsink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
elif self.framebuffer:
out = Gst.parse_bin_from_description("queue ! fakesink", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
else:
if self.pipe.get_by_name('filesink'):
print("Audio being added after video")
if "OPUS" in name:
out = Gst.parse_bin_from_description("queue rtpopusdepay ! opusparse ! audio/x-opus,channel-mapping-family=0,channels=2,rate=48000", True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
out.link(self.pipe.get_by_name('filesink'))
pad.link(sink)
else:
print("audio being saved...")
if "OPUS" in name:
out = Gst.parse_bin_from_description("queue ! rtpopusdepay ! opusparse ! audio/x-opus,channel-mapping-family=0,rate=48000 ! mpegtsmux name=mux2 ! queue ! multifilesink name=filesinkaudio sync=true location="+self.streamin+"_"+str(int(time.time()))+"_audio.%02d.ts next-file=5 max-file-duration="+str(10*Gst.SECOND), True)
self.pipe.add(out)
out.sync_state_with_parent()
sink = out.get_static_pad('sink')
pad.link(sink)
print("success audio?")
except Exception as E:
print("============= ERROR =========")
printwarn(get_exception_info(E))
traceback.print_exc()
# Add this debugging information at the end of the function
print("Pipeline state after setup:")
print(self.pipe.get_state(0))
async def createPeer(self, UUID):
if UUID in self.clients:
client = self.clients[UUID]
else:
print("peer not yet created; error")
return
def on_offer_created(promise, _, __):
print("ON OFFER CREATED")
promise.wait()
reply = promise.get_reply()
offer = reply.get_value('offer')
promise = Gst.Promise.new()
client['webrtc'].emit('set-local-description', offer, promise)
promise.interrupt()
print("SEND SDP OFFER")
text = offer.sdp.as_text()
if ("96 96 96 96 96" in text):
printc("Patching SDP due to Gstreamer webRTC bug - none-unique line values","A6F")
text = text.replace(" 96 96 96 96 96", " 96 96 97 98 96")
text = text.replace("a=rtpmap:96 red/90000\r\n","a=rtpmap:97 red/90000\r\n")
text = text.replace("a=rtpmap:96 ulpfec/90000\r\n","a=rtpmap:98 ulpfec/90000\r\n")
text = text.replace("a=rtpmap:96 rtx/90000\r\na=fmtp:96 apt=96\r\n","")
elif self.nored and (" 96 96" in text): ## fix for older gstreamer is using --nored